body {
    padding: 50px;
    background-color: #9ad3ff;
}
#app {
    display: flex;
    align-items: center;
    flex-direction: column;
}
.row {
    display: flex;
}
.item {
    width: 120px;
    height: 120px;
    border-radius: 5px;
    border: 1px solid blue;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #fff;
    margin: 5px;
    font-size: 30px;
    color: #f09541;
    cursor: pointer;
}
.curr {
 background-color: #eac438;
}